@@ Line 1: / Line 1: @@
 {{Infobox ET}}
+'''13ed9/4''' is the equal division of [[9/4]] into 13 parts.
+== Scale tree ==
+Ed9/4 scales can be approximated in [[EDO]]s by subdividing their approximations of 9/4.
+{| class="wikitable"
+|+
+! colspan="4" |Major ninth
+!Period
+!Notes
+|-
+|1/1
+|
+|
+|
+|''92.308''
+| Soft Phrygian mode begins
+|-
+|
+|23\22
+|
+|
+| 96.5035
+|
+|-
+|22\21
+|
+|
+|
+|96.703
+|Soft Phrygian mode ends, Thirdtone Phrygian mode begins
+|-
+|21\20
+|
+|
+|
+|96.923
+|
+|-
+|20\19
+|
+|
+|
+| 97.166
+|
+|-
+|19\18
+|
+|
+|
+|97.436
+|
+|-
+|
+|37\35
+|
+|
+|97.582
+|
+|-
+|18\17
+|
+|
+|
+|97.738
+|
+|-
+|17\16
+|
+|
+|
+|98.077
+|
+|-
+|16\15
+|
+|
+|
+|98.4615
+|Thirdtone Phrygian mode ends
+|-
+|15\14
+|
+|
+|
+|98.901
+|Semitone Phrygian mode begins
+|-
+|14\13
+|
+|
+|
+|99.408
+|
+|-
+|
+|27\25
+|
+|
+|99.692
+|
+|-
+|13\12
+|
+|
+|
+|''100''
+|
+|-
+|12\11
+|
+|
+|
+|100.699
+|
+|-
+|11\10
+|
+|
+|
+|101.5385
+|Semitone Phrygian mode ends, Intense Phrygian mode begins
+|-
+|
+| 21\19
+|
+|
+|102.024
+|
+|-
+|10\9
+|
+|
+|
+|102.564
+|Intense Phrygian mode ends, Intense Phrygian-Soft Aeolian mode begins
+|-
+|
+|19\17
+|
+|
+|103.167
+|
+|-
+|9\8
+|
+|
+|
+|''103.846''
+|Intense Phrygian-Soft Aeolian mode ends, Soft Aeolian mode begins
+|-
+|
+|17\15
+|
+|
+|104.615
+|
+|-
+|8\7
+|
+|
+|
+|105.4945
+|Soft Aeolian mode ends, Flattone Aeolian mode begins
+|-
+|
+|15\13
+|
+|
+|106.509
+|
+|-
+|
+|
+|22\19
+|
+|106.883
+|Flattone Aeolian mode ends, Meantone Aeolian mode begins
+|-
+|
+|
+|
+|29\25
+|107.077
+|
+|-
+|7\6
+|
+|
+|
+|''107.692''
+| Meantone Aeolian mode ends, Superpyth Intense Aeolian mode begins
+|-
+|
+|
+|20\17
+|
+|108.597
+|
+|-
+|
+|13\11
+|
+|
+|109.{{Overline|09}}
+|Superpyth Intense Aeolian mode ends, Ultrapyth Intense Aeolian mode begins
+|-
+|
+|
+| 19\16
+|
+|109.615
+|
+|-
+|6\5
+|
+|
+|
+|110.769
+|Ultrapyth Intense Aeolian mode ends
+|}

13ed9/4: Difference between revisions